51767240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{293}}^1\times {\mathrm{631}}^1$

素因数の和:942

約数の個数: 64

約数和(自身を含む): 133781760

約数和(自身を除く): 82014520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 293, 586, 631, 1172, 1262, 1465, 2051, 2344, 2524, 2930, 3155, 4102, 4417, 5048, 5860, 6310, 8204, 8834, 10255, 11720, 12620, 16408, 17668, 20510, 22085, 25240, 35336, 41020, 44170, 82040, 88340, 176680, 184883, 369766, 739532, 924415, 1294181, 1479064, 1848830, 2588362, 3697660, 5176724, 6470905, 7395320, 10353448, 12941810, 25883620, 51767240]

約数ペア:

[(1, 51767240), (2, 25883620), (4, 12941810), (5, 10353448), (7, 7395320), (8, 6470905), (10, 5176724), (14, 3697660), (20, 2588362), (28, 1848830), (35, 1479064), (40, 1294181), (56, 924415), (70, 739532), (140, 369766), (280, 184883), (293, 176680), (586, 88340), (631, 82040), (1172, 44170), (1262, 41020), (1465, 35336), (2051, 25240), (2344, 22085), (2524, 20510), (2930, 17668), (3155, 16408), (4102, 12620), (4417, 11720), (5048, 10255), (5860, 8834), (6310, 8204)]